Mendes is renowned as one of the leading agents in football, with his client base including the likes of Cristiano Ronaldo, Jose Mourinho, David de Gea, Angel di Maria, James Rodriguez and Radamel Falcao.

Pereira joins manager-less Forest after they finished 16th in the Championship in 2015-16.

“Forest has huge potential and I believe and hope I can contribute significantly in bringing the club back to the Premier League,” Pereira told the club’s website.

“It is a big honour and, at the same time, a great challenge to work with such a historical and important club as Nottingham Forest.”